<template>
    <div>
      <!-- 面包屑导航 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
        <!-- 2\准备图标展示区 -->
        <div id="main" style="width:600px;height:400px;"></div>
    </el-card>
    </div>
</template>
<script>
//  1、引入echarts包
import * as echarts from 'echarts'
import _ from 'lodash'
// 引入load
export default {
  data() {
    //   需要合并的数据
    return {
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  created() {},
  // 此时页面dom元素已经全部加载完毕
  async mounted() {
    // 3\初始化echarts图标
    var myChart = echarts.init(document.getElementById('main'))
    const { data: res } = await this.$http.get('reports/type/1')
    if (res.meta.status !== 200) return this.$message.error('获取折线图失败')
    // 4\准备数据和配置项
    const result = _.merge(res.data, this.options)
    // 5\展示数据
    myChart.setOption(result)
  },
  methods: {
  }
}
</script>
<style lang="less" scoped>
</style>
